EPA Method 502/524 Fortification Solution

2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

3,3-Dimethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 562-49-2

Tetradifon, 100 µg/ml, Acetonitrile, 5ml